Quote:
Originally Posted by retiredguy123
The plumber is correct, but most systems just have a pipe that sticks out of the garage wall and the water is discharged downward directly onto the ground. It is not necessary to pipe the water to the curb. Also, note that, if you pipe it to the curb, you will be installing pipe through the street "right-of-way", which is land that you do not own.
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Using salt, then having the system back flush into the grass will kill the grass and/or landscaping that may be around the discharge outlet. Which is why many of us use potassium.